$\snippet{name: op_column, sign: '-', x: '42', y: '27', z: '15'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '42', y: '15', z: '27'}$;
2) $\snippet{name: op_column, sign: '+', x: '15', y: '27', z: '42'}$.
 
$\snippet{name: op_column, sign: '-', x: '54', y: '36', z: '18'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '54', y: '18', z: '36'}$;
2) $\snippet{name: op_column, sign: '+', x: '36', y: '18', z: '54'}$.
 
$\snippet{name: op_column, sign: '-', x: '92', y: '53', z: '39'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '92', y: '39', z: '53'}$;
2) $\snippet{name: op_column, sign: '+', x: '53', y: '39', z: '92'}$.
 
$\snippet{name: op_column, sign: '+', x: '64', y: '28', z: '92'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '92', y: '64', z: '28'}$;
2) $\snippet{name: op_column, sign: '-', x: '92', y: '28', z: '64'}$.
 
$\snippet{name: op_column, sign: '+', x: '87', y: '13', z: '100'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '100', y: '13', z: '87'}$;
2) $\snippet{name: op_column, sign: '-', x: '100', y: '87', z: '13'}$.
 
$\snippet{name: op_column, sign: '+', x: '72', y: '19', z: '91'}$
Проверка:
1) $\snippet{name: op_column, sign: '-', x: '91', y: '72', z: '19'}$;
2) $\snippet{name: op_column, sign: '-', x: '91', y: '19', z: '72'}$.